[INFO] fetching crate cargo-ramdisk 0.1.1...
[INFO] testing cargo-ramdisk-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cargo-ramdisk 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-ramdisk 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-ramdisk 0.1.1
[INFO] finished tweaking crates.io crate cargo-ramdisk 0.1.1
[INFO] tweaked toml for crates.io crate cargo-ramdisk 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-ramdisk 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanoid v0.4.0
[INFO] [stderr]   Downloaded clang-sys v1.3.0
[INFO] [stderr]   Downloaded bindgen v0.58.1
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded loopdev v0.3.0
[INFO] [stderr]   Downloaded sys-mount v1.3.0
[INFO] [stderr]   Downloaded carlog v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54abe53f43d348b3681fbe1853d55de5f3a969b8559ddd2e617688ef3f2683db
[INFO] running `Command { std: "docker" "start" "-a" "54abe53f43d348b3681fbe1853d55de5f3a969b8559ddd2e617688ef3f2683db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54abe53f43d348b3681fbe1853d55de5f3a969b8559ddd2e617688ef3f2683db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54abe53f43d348b3681fbe1853d55de5f3a969b8559ddd2e617688ef3f2683db", kill_on_drop: false }`
[INFO] [stdout] 54abe53f43d348b3681fbe1853d55de5f3a969b8559ddd2e617688ef3f2683db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c895c82ae10a63c69dab5001f067fce8711cb4de0711f1e911e0e111ef498a3
[INFO] running `Command { std: "docker" "start" "-a" "9c895c82ae10a63c69dab5001f067fce8711cb4de0711f1e911e0e111ef498a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling carlog v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling nanoid v0.4.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling loopdev v0.3.0
[INFO] [stderr]    Compiling sys-mount v1.3.0
[INFO] [stderr]    Compiling cargo-ramdisk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.31s
[INFO] running `Command { std: "docker" "inspect" "9c895c82ae10a63c69dab5001f067fce8711cb4de0711f1e911e0e111ef498a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c895c82ae10a63c69dab5001f067fce8711cb4de0711f1e911e0e111ef498a3", kill_on_drop: false }`
[INFO] [stdout] 9c895c82ae10a63c69dab5001f067fce8711cb4de0711f1e911e0e111ef498a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d88d02685be9bdf367555305fbb5f8414e5e5d396f4baa6f24ee308f1aba8dc
[INFO] running `Command { std: "docker" "start" "-a" "6d88d02685be9bdf367555305fbb5f8414e5e5d396f4baa6f24ee308f1aba8dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-ramdisk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "6d88d02685be9bdf367555305fbb5f8414e5e5d396f4baa6f24ee308f1aba8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d88d02685be9bdf367555305fbb5f8414e5e5d396f4baa6f24ee308f1aba8dc", kill_on_drop: false }`
[INFO] [stdout] 6d88d02685be9bdf367555305fbb5f8414e5e5d396f4baa6f24ee308f1aba8dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb0bde101ff017e063c6bc4c195f0187b1955cc1920ebb7bc3737ee7c575e6e6
[INFO] running `Command { std: "docker" "start" "-a" "eb0bde101ff017e063c6bc4c195f0187b1955cc1920ebb7bc3737ee7c575e6e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_ramdisk-cd81df65232f52bb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout]     Mounting Trying to mount "/tmp/target"
[INFO] [stdout] Preprocessed 📁 The target path is "/tmp/target"
[INFO] [stdout] Preprocessed 💳 Generated unique project id "Wi9ecsR8bE36nIkNi3tvL"
[INFO] [stdout] Preprocessed 📁 The tmpfs path is "/dev/shm/targetWi9ecsR8bE36nIkNi3tvL"
[INFO] [stdout]      Created "/dev/shm/targetWi9ecsR8bE36nIkNi3tvL"
[INFO] [stdout]       Linked ⛓ "/dev/shm/targetWi9ecsR8bE36nIkNi3tvL" -> "/tmp/target"
[INFO] [stdout]      Success ✅ Successfully created tmpfs ramdisk at "/tmp/target"
[INFO] [stdout]   Remounting Trying to remount "/tmp/target"
[INFO] [stdout]   Unmounting Trying to unmount "/tmp/target"
[INFO] [stdout]     Unlinked "/dev/shm/targetWi9ecsR8bE36nIkNi3tvL" ⛔ "/tmp/target"
[INFO] [stdout]      Deleted 🗑 "/dev/shm/targetWi9ecsR8bE36nIkNi3tvL"
[INFO] [stdout]      Success ✅ Successfully unmounted ramdisk at "/tmp/target"
[INFO] [stdout]    Unmounted "/tmp/target"
[INFO] [stdout]     Mounting Trying to mount "/tmp/target"
[INFO] [stdout] Preprocessed 📁 The target path is "/tmp/target"
[INFO] [stdout] Preprocessed 💳 Generated unique project id "w8e6-VKViG3t76T0dTVY9"
[INFO] [stdout] Preprocessed 📁 The tmpfs path is "/dev/shm/targetw8e6-VKViG3t76T0dTVY9"
[INFO] [stdout]      Created "/dev/shm/targetw8e6-VKViG3t76T0dTVY9"
[INFO] [stdout]       Linked ⛓ "/dev/shm/targetw8e6-VKViG3t76T0dTVY9" -> "/tmp/target"
[INFO] [stdout]      Success ✅ Successfully created tmpfs ramdisk at "/tmp/target"
[INFO] [stdout]      Mounted "/tmp/target"
[INFO] [stdout]   Unmounting Trying to unmount "/tmp/target"
[INFO] [stdout]     Unlinked "/dev/shm/targetw8e6-VKViG3t76T0dTVY9" ⛔ "/tmp/target"
[INFO] [stdout]      Deleted 🗑 "/dev/shm/targetw8e6-VKViG3t76T0dTVY9"
[INFO] [stdout]      Success ✅ Successfully unmounted ramdisk at "/tmp/target"
[INFO] [stdout] test test::test_tmpfs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb0bde101ff017e063c6bc4c195f0187b1955cc1920ebb7bc3737ee7c575e6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0bde101ff017e063c6bc4c195f0187b1955cc1920ebb7bc3737ee7c575e6e6", kill_on_drop: false }`
[INFO] [stdout] eb0bde101ff017e063c6bc4c195f0187b1955cc1920ebb7bc3737ee7c575e6e6